CN101631450B - Pin correcting device for integrated circuit - Google Patents
Pin correcting device for integrated circuit Download PDFInfo
- Publication number
- CN101631450B CN101631450B CN 200810043647 CN200810043647A CN101631450B CN 101631450 B CN101631450 B CN 101631450B CN 200810043647 CN200810043647 CN 200810043647 CN 200810043647 A CN200810043647 A CN 200810043647A CN 101631450 B CN101631450 B CN 101631450B
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- integrated circuit
- pin
- eccentric wheel
- pedestal
- assembly
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Abstract
The invention discloses a pin correcting device for an integrated circuit, and belongs to the field of treating semiconductor components and equipment. The pin correcting device comprises a pedestal; a door-shaped frame is arranged on the pedestal; a guide post and an upper module block which can move longitudinally along the guide post are arranged on the pedestal under the door-shaped frame; a first eccentric wheel component which can drive the upper module block to move longitudinally is arranged on the door-shaped frame; a slide way, a lower module block which can move transversely along the slide way and a second eccentric wheel component which can drive the lower module block to move transversely are arranged on the pedestal under the door-shaped frame; and one end of the slide way is provided with a limit block. The upper module block and the lower module block are set as separable structures, so that a correcting process for a pin is simple and accurate; the requirements of users are fully considered, and the acquisition expenses and production/maintenance costs for enterprises can be reduced; and the corrected integrated circuit can completely pass the detection of automatic detection equipment, and can be applied to a patch production process. The pin correcting device for the integrated circuit can be widely applied in the pretreatment fields of pin reforming of various integrated circuits and the patch production process.
Description
Technical field
The invention belongs to and be applicable to make or process the method for semiconductor or solid state device or its parts or the field of equipment, relate in particular to the device that the bad integrated circuit pin of a kind of pin that will encapsulate is proofreaied and correct.
Background technology
After integrated circuit (IC) chip (be called for short integrated circuit, lower with) encapsulation finished, integrated circuit was will be as surface mount elements soldered or stick on the circuit board (being commonly called as pcb board).And wherein the pin of integrated circuit (also claiming pin, lower same) as the bridge that lsi internal circuit is connected with board circuit, has very strict requirement to its size.Integrated circuit is of a great variety, and some pins are few, the relatively easy processing; But how intensive again some integrated circuit pins are, and distance is very little between the chip pin of encapsulation, and pin is very thin, requires comparatively strict size to comprise that the pin of integrated circuit is offset pin-pitch, degree of standing, coplanarity etc.These sizes overproof will cause occuring the problem of the aspects such as pin welding and/or contact, gently then cause the work of part components and parts bad, and be heavy then damage whole equipment.
The day for announcing is on July 13rd, 1994, notification number is to disclose a kind of " shaving leading-in apparatus for integrated circuit " in the Chinese patent of CN 2171975Y, its body exterior is provided with a mouth folder that can fill, can be so as in the clamping integrated circuit, bandy pin to integrated circuit is rebuild/straightening, make it be easy to insert pcb board, can be expediently with the trimming of integrated circuit pin and assembling.But because its result of use is subject to the impact that the operator uses qualification, its finishing effect is affected, and is only applicable to integrated circuit is inserted pcb board and can not be used for the paster production technology.
Open day is on November 9th, 1994, publication number is to disclose a kind of " automatic mounting machine for integrated circuit " in the Chinese patent of CN 2182513Y, its inclined upper surface at casing is provided with one and imports track, the both sides of track are provided with the in pairs roller of configuration of array, and establish a driving belt above this track; When belt is rotated, whole pin integrated circuit is skidded off by the first sleeve pipe that is plugged on track one end, along this importing track slip and by this driving belt drive it is further advanced, simultaneously by the whole pin of this roller, then automatically slip in the second sleeve pipe that is plugged on the track another end.The operating efficiency of its whole device is higher; be applicable to the operating line of large-scale production in enormous quantities; structure is complicated, the more high deficiency of manufacturing/acquisition cost but it exists, and is same, and the integrated circuit behind its whole pin can only be used for inserting the pcb board production technology and can not be used for the paster production technology.
Summary of the invention
In order to address the above problem, the invention provides a kind of pin correcting device for integrated circuit, it is simple for structure, reliable operation, make the trimming process of integrated circuit pin simple, accurately by accurate location, the integrated circuit that wherethrough was managed can be directly used in the paster production technology.
Concrete technical scheme of the present invention is: a kind of pin correcting device for integrated circuit is provided, comprises pedestal, it is characterized in that: at pedestal one door type frame is set; The mould assembly that pedestal below door type frame arranges guide pillar and can vertically move along guide pillar; Can drive the first eccentric wheel assembly that mould assembly vertically moves door type frame setting; Pedestal below door type frame arranges slideway, can and can drive the second eccentric wheel assembly of lower mould-assembly block transverse shifting along the lower mould-assembly block of slideway transverse shifting; End at slideway arranges guide vane end stop.
On the guide pillar between described pedestal and the mould assembly, the first back-moving spring 16 is set; Between described guide vane end stop and lower mould-assembly block, the second back-moving spring is set.
Described mould assembly comprises upper bolster, cushion block, patrix, push rod, spring and pressing plate at least; Wherein, in the patrix pedestal through hole is set, push rod is set in the hole, the through hole upper end arranges pressing plate, between pressing plate and the push rod spring is set, the push rod other end runs through the cushion block and the patrix nested with the cushion block below that is nested in the location notch of patrix pedestal below, and the integrated circuit of wanting shaping when work directly contacts; Lower surface at patrix is provided with the stressed pawl of multiple tooth shape, and integrated circuit and the pin thereof of the shape of stressed pawl and position and wish shaping are complementary, and on the correspondence position of each ic pin, stressed pawl arranges lug boss.
Described lower mould-assembly block comprises die shoe and is arranged on the counterdie at its top; Wherein, two ends at the counterdie top, be provided with the spacing preiection that is complementary with the integrated circuit length dimension of wanting shaping, with the corresponding pin positioning convex of the integrated circuit standard pipe placement of foot of wanting shaping and the center projections that is complementary to the integrated circuit bottom surface with pin.
Its described first eccentric wheel assembly comprises the first fixed axis of being arranged on the door type frame, be arranged on the first eccentric wheel on the first fixed axis and be arranged on the first operating grip of this eccentric wheel side; Its described second eccentric wheel assembly comprises the second fixed axis of being positioned on the pedestal, be arranged on the second eccentric wheel on the second fixed axis and be arranged on the second operating grip of this eccentric wheel side; On the first eccentric wheel and on the substrate in the second eccentric outside, correspondence arranges the first spacer pin and the second spacer pin respectively.
Described slideway is dovetail groove.
Compared with the prior art, advantage of the present invention is:
1. by accurately locating, so that the trimming process of integrated circuit pin is simple, accurate;
2. pure manual operations had both taken into full account user's demand, can make again enterprise avoid buying the automation equipment of costliness and reducing acquisition expenses and production/maintenance cost;
3. the integrated circuit after overcorrect meets standard-required fully, fully can be by the detection of automatic detection system, and applicable to the paster production technology.
Description of drawings
Fig. 1 is the structural representation of pin correcting device for integrated circuit of the present invention;
Fig. 2 is the plan structure schematic diagram of pin correcting device for integrated circuit of the present invention;
Fig. 3 is the structural representation of the mould assembly of pin correcting device for integrated circuit of the present invention;
Fig. 4 is the structural representation of the die shoe of pin correcting device for integrated circuit of the present invention.
1-pedestal among the figure, 2-door type frame, 3-guide pillar, the 4-upper bolster, 5-patrix, 6-the first fixed axis, 7-the first eccentric wheel, 8-the first operating grip, 9-die shoe, the 10-counterdie, 11-the second fixed axis, 12-the second eccentric wheel, 13-the second operating grip, 14-the first spacer pin, 15-the second spacer pin, 16-the first back-moving spring, 17-pressing plate, 18-push rod, the 19-cushion block, 20-the second back-moving spring, 21-guide vane end stop, the 22-slideway, the 23-upper spring, 24-spacing preiection, 25-pin positioning convex, the stressed pawl of the multiple tooth shape of 26-, the 27-center projections.
Embodiment
Below in conjunction with accompanying drawing pin correcting device for integrated circuit of the present invention is described further.
Among Fig. 1, comprise pedestal 1, at pedestal one door type frame 2 is set; The mould assembly that pedestal below door type frame arranges guide pillar 3 and can vertically move along guide pillar; Can drive the first eccentric wheel assembly that mould assembly vertically moves in door type frame 2 settings; The setting of pedestal below door type frame can drive the second eccentric wheel assembly of lower mould-assembly block transverse shifting.
Wherein, on the guide pillar 3 between pedestal and the mould assembly, be provided with the first back-moving spring 16.
Its described first eccentric wheel assembly comprises the first fixed axis 6 of being arranged on the door type frame 2, be positioned at the first eccentric wheel 7 on the first fixed axis, be arranged on the first operating grip 8 of this eccentric wheel side; Its described second eccentric wheel assembly comprises the second fixed axis 11 of being positioned on the pedestal 1, be arranged on the second eccentric wheel 12 on the second fixed axis, be arranged on the second operating grip 13 of this eccentric wheel side.Wherein, on the first eccentric wheel and on the substrate in the second eccentric outside, correspondence is provided with the first spacer pin 14 and the second spacer pin 15 respectively.
The purpose that first, second spacer pin is set is in order to prevent that first, second eccentric wheel from rotating excessively or backward rotation, to damage parts or crushing integrated circuit.
The concrete magnitude setting of guide pillar depends on the needs, and can be 2,3,4 or more, considers from stressed uniform angle, and suggestion adopts even numbers root guide pillar to be advisable.
Among Fig. 2, for the ease of understanding, highlighted emphatically the plan position approach structure of the second eccentric wheel assembly and lower mould-assembly block, other parts have been done to omit to simplify and have been processed.
Be provided with a slideway 22 at pedestal, being provided with in slideway can be along the lower mould-assembly block and second eccentric wheel assembly that can drive the lower mould-assembly block transverse shifting of slideway transverse shifting; End at slideway is provided with guide vane end stop 21, between guide vane end stop and lower mould-assembly block, is provided with the second back-moving spring 20.
On the substrate in the second eccentric wheel 12 outsides, be provided with the second spacer pin 15.
Can see clearly the position of the second spacer pin 15 among this figure.
For the ease of processing and raising positioning accuracy, slideway is to adopt oat tail groove structure to be advisable.
Among Fig. 3, mould assembly comprises upper bolster 4, cushion block 19, patrix 5, push rod 18, upper spring 23 and pressing plate 17; Wherein, in upper bolster 4 bodies through hole (not shown) is set, push rod 18 is set in the hole, the through hole upper end arranges pressing plate 17, upper spring 23 is set between pressing plate and the push rod, the push rod other end runs through the nested patrix 5 of cushion block 19 and cushion block below that is nested in the location notch (not shown) of upper bolster 4 bodies below, direct integrated circuit contact with wanting shaping during work.
Lower surface at patrix 10 is provided with the stressed pawl 26 of multiple tooth shape, and integrated circuit and the pin thereof of the shape of stressed pawl and position and wish shaping are complementary, and on the correspondence position of each ic pin, are provided with the lug boss (not shown) on the stressed pawl.
Among Fig. 4, lower mould-assembly block comprises die shoe 9 and is arranged on the counterdie 10 at its top, at two ends, counterdie top, be provided with the spacing preiection 24 that is complementary with the integrated circuit length dimension of wanting shaping, with the corresponding pin positioning convex 25 of the integrated circuit standard pipe placement of foot of wanting shaping and the center projections 27 that is complementary to the integrated circuit bottom surface with pin.
Upper and lower modular array is set to separable structure, but the one side simplified processing process on the other hand, as long as correspondence is changed different upper and lower moulds simultaneously, can adapt to the integrated circuit (IC) chip of different size, model.Both reduce manufacturing/use cost, enlarged again the how appropriate of this device to different integrated circuit (IC) chip.
Course of work summary of the present invention:
(1) pending integrated circuit is placed on the counterdie;
(2) by hand drive forwards the second eccentric wheel to self-locking position, make the die shoe transverse shifting and be fixed in patrix under;
(3) manual first eccentric wheel that drives downwards makes upper bolster move downward along guide pillar, drives simultaneously the patrix motion, and push rod compresses integrated circuit under the effect of spring during to the integrated circuit end face;
(4) the stressed pawl of dentation touches each pin of integrated circuit more than the patrix, continues downwards, and it matches with pin positioning convex on the counterdie, and the bad part of ic pin size is deformed, and is proofreaied and correct;
(5) first, second eccentric wheel backhaul of hand drive, upper bolster is by the first back-moving spring jack-up, and die shoe ejects under the effect of the second back-moving spring;
(6) with vacuum WAND high-ranking officers integrated circuit sucking-off just in time, the base pin facelift EO of single integrated circuit.
The present invention can be widely used in the pin shaping of various integrated circuits and the preprocessing technical field of paster production technology.
Claims (4)
1. a pin correcting device for integrated circuit comprises pedestal, it is characterized in that:
(1) arranges a door type frame (2) on pedestal;
The mould assembly that pedestal below door type frame arranges guide pillar (3) and can vertically move along guide pillar, this mould assembly comprises upper bolster (4), cushion block (19), patrix (5), push rod (18), spring (23) and pressing plate (17); Wherein, in the pedestal of upper bolster through hole is set, push rod is set in the hole, the through hole upper end arranges pressing plate, between pressing plate and the push rod spring is set, the push rod other end runs through the cushion block and the nested patrix in cushion block below that is nested in the location notch of patrix pedestal below, and the integrated circuit of wanting shaping when work directly contacts; Lower surface at patrix is provided with the stressed pawl of multiple tooth shape (26), and integrated circuit and the pin thereof of the shape of stressed pawl and position and wish shaping are complementary, and on the correspondence position of each ic pin, stressed pawl arranges lug boss;
Arrange at door type frame and can drive the first eccentric wheel assembly that mould assembly vertically moves, this first eccentric wheel assembly comprises the first fixed axis (6) of being arranged on the door type frame, be arranged on the first eccentric wheel (7) on the first fixed axis and be arranged on first operating grip (8) of this eccentric wheel side;
Pedestal below door type frame arranges slideway (22), can and can drive the second eccentric wheel assembly of lower mould-assembly block transverse shifting along the lower mould-assembly block of slideway transverse shifting; End at slideway arranges guide vane end stop (21); Lower mould-assembly block comprises die shoe (9) and is arranged on the counterdie (10) at its top, wherein, be provided with at the two ends at counterdie top the spacing preiection (24) that is complementary with the integrated circuit length dimension of wanting shaping, with the corresponding pin positioning convex (25) of the integrated circuit standard pipe placement of foot of wanting shaping and the center projections (27) that is complementary to the integrated circuit bottom surface with pin; And the second eccentric wheel assembly comprises the second fixed axis (11) of being positioned on the pedestal, is arranged on the second eccentric wheel (12) on the second fixed axis and is arranged on second operating grip (13) of this eccentric wheel side.
2. a kind of pin correcting device for integrated circuit as claimed in claim 1 is characterized in that on the guide pillar (3) between described pedestal (1) and the mould assembly the first back-moving spring (16) being set; Between described guide vane end stop (21) and lower mould-assembly block, the second back-moving spring (20) is set.
3. a kind of pin correcting device for integrated circuit as claimed in claim 1, it is characterized in that upper at the first eccentric wheel (7) and on the substrate in the outside of the second eccentric wheel (12), correspondence arranges the first spacer pin (14) and the second spacer pin (15) respectively.
4. a kind of pin correcting device for integrated circuit as claimed in claim 1 is characterized in that described slideway (22) is dovetail groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810043647 CN101631450B (en) | 2008-07-18 | 2008-07-18 | Pin correcting device for integrated circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810043647 CN101631450B (en) | 2008-07-18 | 2008-07-18 | Pin correcting device for integrated circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101631450A CN101631450A (en) | 2010-01-20 |
| CN101631450B true CN101631450B (en) | 2013-01-30 |
Family
ID=41576324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810043647 Expired - Fee Related CN101631450B (en) | 2008-07-18 | 2008-07-18 | Pin correcting device for integrated circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101631450B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942730B (en) * | 2015-06-23 | 2017-05-03 | 黎明液压有限公司 | Handle pressing type clamping tool for filter element semi-finished filter screen |
| CN104924241B (en) * | 2015-06-25 | 2017-03-01 | 佛山市普拉迪数控科技有限公司 | A kind of circuit board clamp of quick-clamping |
| CN104924157B (en) * | 2015-06-25 | 2017-09-26 | 佛山市普拉迪数控科技有限公司 | A kind of multiple degrees of freedom lathe processed for circuit board |
| WO2018191893A1 (en) * | 2017-04-19 | 2018-10-25 | 深圳欣锐科技股份有限公司 | Pin correcting apparatus |
| CN107179033A (en) * | 2017-06-02 | 2017-09-19 | 成都智明达电子股份有限公司 | A kind of bad shaping universal fixturing of coplane degree |
| CN207744341U (en) * | 2018-01-12 | 2018-08-17 | 江苏华存电子科技有限公司 | A kind of full-automatic pin shaping machine of Integrated circuit IC |
| CN112207207B (en) * | 2020-10-15 | 2022-09-30 | 中微(西安)电子有限公司 | Chip pin correcting device |
| CN114141671B (en) * | 2021-12-07 | 2024-05-03 | 华东光电集成器件研究所 | Integrated circuit assembling and positioning device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2171975Y (en) * | 1993-09-22 | 1994-07-13 | 陈长清 | Shaving leading-in apparatus for integrated circuit |
| CN2182513Y (en) * | 1993-10-16 | 1994-11-09 | 陈长清 | Automatic mounting machine for integrated circuit |
-
2008
- 2008-07-18 CN CN 200810043647 patent/CN101631450B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2171975Y (en) * | 1993-09-22 | 1994-07-13 | 陈长清 | Shaving leading-in apparatus for integrated circuit |
| CN2182513Y (en) * | 1993-10-16 | 1994-11-09 | 陈长清 | Automatic mounting machine for integrated circuit |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2006-24949A 2006.01.26 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101631450A (en) | 2010-01-20 |
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Granted publication date: 20130130 Termination date: 20130718 |